in file HMAC2.php, method Crypt_HMAC2::_digest() Digest method when using native functions which allows the selection of raw binary output.

_getMhashDefinition

in file HMAC2.php, method Crypt_HMAC2::_getMhashDefinition() Method of working around the inability to use mhash constants; this will locate the Constant value of any support Hashing algorithm named in the string parameter.

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setHashAlgorithm

in file HMAC2.php, method Crypt_HMAC2::setHashAlgorithm() Setter for the hash method. Supports md5() and sha1() functions, and if available the hashing algorithms supported by the hash() PHP5 function or the mhash extension.